Tax Transparency Posted: January 11, 2021 at 9:27 AM Information about the District required by Section 26.18, Texas Tax Code, created by Senate Bill 2 (also known as the Texas Property Tax Reform and Transparency Act of 2019), is available below: Sienna MUD 3 – Tax Transparency Information Tax TransparencySIENNA MUD2023-10-02T08:02:05-05:00